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Finding the Fourth Proportional to 18,106,398.62, 24,978,041.31 and 10,759,028.45

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Solution

The fourth proportional to 18,106,398.62, 24,978,041.31 and 10,759,028.45 is: 14,842,236.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106,398.62 : 24,978,041.31 = 10,759,028.45 : x
  2. Step 2: Convert to fraction form
    18,106,398.62/24,978,041.31 = 10,759,028.45/x
  3. Step 3: Cross multiply
    18,106,398.62x = 24,978,041.31 × 10,759,028.45
  4. Step 4: Simplify right side
    18,106,398.62x = 268,739,456,995,021.41
  5. Step 5: Solve for x
    x = 268,739,456,995,021.41/18,106,398.62
  6. Step 6: Final answer
    x = 14,842,236.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.